class AddClassNameToInputsOutputs < ActiveRecord::Migration
  def self.up
    change_table :inputs do |t|
      t.string :class_name
    end
    change_table :outputs do |t|
      t.string :class_name
    end
  end

  def self.down
    change_table :inputs do |t|
      t.remove :class_name
    end
    change_table :outputs do |t|
      t.remove :class_name
    end
  end
end
